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Cisco Bug: CSCum72109 - 89XX Phones should support ignore-early-media=true in Call-Info Header

Last Modified

Feb 15, 2018

Products (1)

  • Cisco Unified IP Phones 9900 Series

Known Affected Releases

9.3(2)ES10

Description (partial)

Symptom:
Double RBT is heard when call goes to SNR destination.

Conditions:
180 Ringing comes w/o SDP. RBT goes in RTP stream.
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